In Science
- The atomic number of argon
- The 18-electron rule is a rule of thumb in transition metal chemistry for characterising and predicting the stability of metal complexes
- The number of years in the Saros cycle of eclipses of the sun and moon
Read more about this topic: 18 (number)
Famous quotes containing the word science:
“For eighteen hundred years, though perchance I have no right to say it, the New Testament has been written; yet where is the legislator who has wisdom and practical talent enough to avail himself of the light which it sheds on the science of legislation?”
—Henry David Thoreau (1817–1862)
“Curiosity engenders both science and scandal.”
—Mason Cooley (b. 1927)